Finding the Fourth Proportional to 173,439.12, 259,951.61 and 89,239.62
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Solution
The fourth proportional to 173,439.12, 259,951.61 and 89,239.62 is: 133,752.88
Step by Step Solution
- Step 1: Write the proportion equation
173,439.12 : 259,951.61 = 89,239.62 : x - Step 2: Convert to fraction form
173,439.12/259,951.61 = 89,239.62/x - Step 3: Cross multiply
173,439.12x = 259,951.61 × 89,239.62 - Step 4: Simplify right side
173,439.12x = 23,197,982,448.59 - Step 5: Solve for x
x = 23,197,982,448.59/173,439.12 - Step 6: Final answer
x = 133,752.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.